version 1.254, 2010/08/21 19:08:46
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version 1.278, 2012/09/18 15:21:08
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Line 1
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Line 1
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\ Gforth primitives |
\ Gforth primitives |
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\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010,2011 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 612 SET_IP((Xt *)a_target);
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Line 612 SET_IP((Xt *)a_target);
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cell+ |
cell+ |
THEN >r ; |
THEN >r ; |
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(try1) ( ... a_oldhandler a_recovery -- R:a_recovery R:a_sp R:f_fp R:c_lp R:a_oldhandler a_newhandler ) gforth paren_try1 |
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a_sp = sp-1; |
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f_fp = fp; |
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c_lp = lp; |
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a_newhandler = rp-5; |
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(throw1) ( ... wball a_handler -- ... wball ) gforth paren_throw1 |
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rp = a_handler; |
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lp = (Address)rp[1]; |
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fp = (Float *)rp[2]; |
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sp = (Cell *)rp[3]; |
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#ifndef NO_IP |
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ip=IP; |
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#endif |
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SUPER_END; |
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VM_JUMP(EXEC1(*(Xt *)rp[4])); |
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\+ |
\+ |
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\ don't make any assumptions where the return stack is!! |
\ don't make any assumptions where the return stack is!! |
Line 1085 lshift ( u1 n -- u2 ) core l_shift
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Line 1103 lshift ( u1 n -- u2 ) core l_shift
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: |
: |
0 ?DO 2* LOOP ; |
0 ?DO 2* LOOP ; |
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umax ( u1 u2 -- u ) core |
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if (u1<u2) |
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u = u2; |
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else |
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u = u1; |
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: |
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2dup u> select ; |
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umin ( u1 u2 -- u ) core |
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if (u1<u2) |
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u = u1; |
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else |
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u = u2; |
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: |
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2dup u< select ; |
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mux ( u1 u2 u3 -- u ) gforth |
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""multiplex @i{u1} for 1 bits in @i{u3}, @i{u2} for 0 bits in @i{u3} into @i{u}"" |
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u = (u3 & u1) | (~u3 & u2); |
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: |
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tuck and >r invert and r> ; |
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select ( u1 u2 f -- u ) gforth |
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""select @i{u1} if @i{f} is true, @i{u2} if false."" |
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u = f ? u1 : u2; |
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: |
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IF swap THEN nip ; |
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\g compare |
\g compare |
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\ comparisons(prefix, args, prefix, arg1, arg2, wordsets...) |
\ comparisons(prefix, args, prefix, arg1, arg2, wordsets...) |
Line 1482 c_addr2 = c_addr1+1;
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Line 1528 c_addr2 = c_addr1+1;
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: |
: |
dup 1+ swap c@ ; |
dup 1+ swap c@ ; |
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cell/ ( n1 -- n2 ) gforth cell_divide |
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""@i{n2} is the number of cells that fit into @i{n1}"" |
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n2 = n1 / sizeof(Cell); |
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: |
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[ cell |
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2/ dup [IF] ] 2/ [ [THEN] |
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2/ dup [IF] ] 2/ [ [THEN] |
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2/ dup [IF] ] 2/ [ [THEN] |
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2/ dup [IF] ] 2/ [ [THEN] |
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drop ] ; |
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\g compiler |
\g compiler |
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\+f83headerstring |
\+f83headerstring |
Line 1666 wfileid = (Cell)stderr;
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Line 1723 wfileid = (Cell)stderr;
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\+os |
\+os |
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form ( -- urows ucols ) gforth |
(form) ( -- urows ucols ) gforth paren_form |
""The number of lines and columns in the terminal. These numbers may |
""The number of lines and columns in the terminal. These numbers may |
change with the window size. Note that it depends on the OS whether |
change with the window size. Note that it depends on the OS whether |
this reflects the actual size and changes with the window size |
this reflects the actual size and changes with the window size |
Line 1701 FLUSH_ICACHE((caddr_t)c_addr,u);
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Line 1758 FLUSH_ICACHE((caddr_t)c_addr,u);
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(bye) ( n -- ) gforth paren_bye |
(bye) ( n -- ) gforth paren_bye |
SUPER_END; |
SUPER_END; |
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gforth_FP=fp; |
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gforth_SP=sp; |
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gforth_RP=rp; |
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gforth_LP=lp; |
return (Label *)n; |
return (Label *)n; |
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(system) ( c_addr u -- wretval wior ) gforth paren_system |
(system) ( c_addr u -- wretval wior ) gforth paren_system |
Line 1713 is the host operating system's expansion
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Line 1774 is the host operating system's expansion
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environment variable does not exist, @i{c-addr2 u2} specifies a string 0 characters |
environment variable does not exist, @i{c-addr2 u2} specifies a string 0 characters |
in length."" |
in length."" |
/* close ' to keep fontify happy */ |
/* close ' to keep fontify happy */ |
c_addr2 = (Char *)getenv(cstr(c_addr1,u1,1)); |
char * string = cstr(c_addr1,u1); |
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c_addr2 = (Char *)getenv(string); |
u2 = (c_addr2 == NULL ? 0 : strlen((char *)c_addr2)); |
u2 = (c_addr2 == NULL ? 0 : strlen((char *)c_addr2)); |
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free(string); |
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open-pipe ( c_addr u wfam -- wfileid wior ) gforth open_pipe |
open-pipe ( c_addr u wfam -- wfileid wior ) gforth open_pipe |
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char * string = cstr(c_addr,u); |
fflush(stdout); |
fflush(stdout); |
wfileid=(Cell)popen(cstr(c_addr,u,1),pfileattr[wfam]); /* ~ expansion of 1st arg? */ |
wfileid=(Cell)popen(string,pfileattr[wfam]); /* ~ expansion of 1st arg? */ |
wior = IOR(wfileid==0); /* !! the man page says that errno is not set reliably */ |
wior = IOR(wfileid==0); /* !! the man page says that errno is not set reliably */ |
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free(string); |
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close-pipe ( wfileid -- wretval wior ) gforth close_pipe |
close-pipe ( wfileid -- wretval wior ) gforth close_pipe |
wretval = pclose((FILE *)wfileid); |
wretval = pclose((FILE *)wfileid); |
Line 1786 if (a_addr1==NULL)
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Line 1851 if (a_addr1==NULL)
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else |
else |
a_addr2 = (Cell *)realloc(a_addr1, u); |
a_addr2 = (Cell *)realloc(a_addr1, u); |
wior = IOR(a_addr2==NULL); /* !! Define a return code */ |
wior = IOR(a_addr2==NULL); /* !! Define a return code */ |
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if (a_addr2==NULL) |
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a_addr2 = a_addr1; |
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strerror ( n -- c_addr u ) gforth |
strerror ( n -- c_addr u ) gforth |
c_addr = (Char *)strerror(n); |
c_addr = (Char *)strerror(n); |
Line 1809 gforth_LP=lp;
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Line 1876 gforth_LP=lp;
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#ifdef HAS_LINKBACK |
#ifdef HAS_LINKBACK |
((void (*)())w)(); |
((void (*)())w)(); |
#else |
#else |
((void (*)(void *))w)(gforth_pointers); |
((void (*)(void *))w)(&gforth_pointers); |
#endif |
#endif |
sp=gforth_SP; |
sp=gforth_SP; |
fp=gforth_FP; |
fp=gforth_FP; |
Line 1824 close-file ( wfileid -- wior ) file clo
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Line 1891 close-file ( wfileid -- wior ) file clo
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wior = IOR(fclose((FILE *)wfileid)==EOF); |
wior = IOR(fclose((FILE *)wfileid)==EOF); |
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open-file ( c_addr u wfam -- wfileid wior ) file open_file |
open-file ( c_addr u wfam -- wfileid wior ) file open_file |
wfileid = opencreate_file(tilde_cstr(c_addr,u,1), wfam, 0, &wior); |
char * string = tilde_cstr(c_addr,u); |
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wfileid = opencreate_file(string, wfam, 0, &wior); |
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free(string); |
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create-file ( c_addr u wfam -- wfileid wior ) file create_file |
create-file ( c_addr u wfam -- wfileid wior ) file create_file |
wfileid = opencreate_file(tilde_cstr(c_addr,u,1), wfam, O_CREAT|O_TRUNC, &wior); |
char * string = tilde_cstr(c_addr,u); |
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wfileid = opencreate_file(string, wfam, O_CREAT|O_TRUNC, &wior); |
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free(string); |
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delete-file ( c_addr u -- wior ) file delete_file |
delete-file ( c_addr u -- wior ) file delete_file |
wior = IOR(unlink(tilde_cstr(c_addr, u, 1))==-1); |
char * string = tilde_cstr(c_addr,u); |
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wior = IOR(unlink(string)==-1); |
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free(string); |
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rename-file ( c_addr1 u1 c_addr2 u2 -- wior ) file-ext rename_file |
rename-file ( c_addr1 u1 c_addr2 u2 -- wior ) file-ext rename_file |
""Rename file @i{c_addr1 u1} to new name @i{c_addr2 u2}"" |
""Rename file @i{c_addr1 u1} to new name @i{c_addr2 u2}"" |
Line 1909 flag = FLAG(feof((FILE *) wfileid));
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Line 1982 flag = FLAG(feof((FILE *) wfileid));
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open-dir ( c_addr u -- wdirid wior ) gforth open_dir |
open-dir ( c_addr u -- wdirid wior ) gforth open_dir |
""Open the directory specified by @i{c-addr, u} |
""Open the directory specified by @i{c-addr, u} |
and return @i{dir-id} for futher access to it."" |
and return @i{dir-id} for futher access to it."" |
wdirid = (Cell)opendir(tilde_cstr(c_addr, u, 1)); |
char * string = tilde_cstr(c_addr,u); |
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wdirid = (Cell)opendir(string); |
wior = IOR(wdirid == 0); |
wior = IOR(wdirid == 0); |
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free(string); |
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read-dir ( c_addr u1 wdirid -- u2 flag wior ) gforth read_dir |
read-dir ( c_addr u1 wdirid -- u2 flag wior ) gforth read_dir |
""Attempt to read the next entry from the directory specified |
""Attempt to read the next entry from the directory specified |
Line 1945 close-dir ( wdirid -- wior ) gforth clos
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Line 2020 close-dir ( wdirid -- wior ) gforth clos
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wior = IOR(closedir((DIR *)wdirid)); |
wior = IOR(closedir((DIR *)wdirid)); |
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filename-match ( c_addr1 u1 c_addr2 u2 -- flag ) gforth match_file |
filename-match ( c_addr1 u1 c_addr2 u2 -- flag ) gforth match_file |
char * string = cstr(c_addr1, u1, 1); |
char * string = cstr(c_addr1, u1); |
char * pattern = cstr(c_addr2, u2, 0); |
char * pattern = cstr(c_addr2, u2); |
flag = FLAG(!fnmatch(pattern, string, 0)); |
flag = FLAG(!fnmatch(pattern, string, 0)); |
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free(string); |
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free(pattern); |
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set-dir ( c_addr u -- wior ) gforth set_dir |
set-dir ( c_addr u -- wior ) gforth set_dir |
""Change the current directory to @i{c-addr, u}. |
""Change the current directory to @i{c-addr, u}. |
Return an error if this is not possible"" |
Return an error if this is not possible"" |
wior = IOR(chdir(tilde_cstr(c_addr, u, 1))); |
char * string = tilde_cstr(c_addr, u); |
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wior = IOR(chdir(string)); |
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free(string); |
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get-dir ( c_addr1 u1 -- c_addr2 u2 ) gforth get_dir |
get-dir ( c_addr1 u1 -- c_addr2 u2 ) gforth get_dir |
""Store the current directory in the buffer specified by @i{c-addr1, u1}. |
""Store the current directory in the buffer specified by @i{c-addr1, u1}. |
Line 1966 if(c_addr2 != NULL) {
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Line 2045 if(c_addr2 != NULL) {
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=mkdir ( c_addr u wmode -- wior ) gforth equals_mkdir |
=mkdir ( c_addr u wmode -- wior ) gforth equals_mkdir |
""Create directory @i{c-addr u} with mode @i{wmode}."" |
""Create directory @i{c-addr u} with mode @i{wmode}."" |
wior = IOR(mkdir(tilde_cstr(c_addr,u,1),wmode)); |
char * string = tilde_cstr(c_addr,u); |
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wior = IOR(mkdir(string,wmode)); |
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free(string); |
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\+ |
\+ |
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newline ( -- c_addr u ) gforth |
newline ( -- c_addr u ) gforth |
""String containing the newline sequence of the host OS"" |
""String containing the newline sequence of the host OS"" |
char newline[] = { |
static const char newline[] = { |
#if DIRSEP=='/' |
#if DIRSEP=='/' |
/* Unix */ |
/* Unix */ |
'\n' |
'\n' |
Line 2013 duser = timeval2us(&time1);
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Line 2094 duser = timeval2us(&time1);
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dsystem = DZERO; |
dsystem = DZERO; |
#endif |
#endif |
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ntime ( -- dtime ) gforth |
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""Report the current time in nanoseconds since some epoch."" |
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struct timespec time1; |
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#ifdef HAVE_CLOCK_GETTIME |
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clock_gettime(CLOCK_REALTIME,&time1); |
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#else |
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struct timeval time2; |
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gettimeofday(&time2,NULL); |
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time1.tv_sec = time2.tv_sec;1 |
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time1.tv_nsec = time2.tv_usec*1000; |
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#endif |
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dtime = timespec2ns(&time1); |
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\+ |
\+ |
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\+floating |
\+floating |
Line 2104 r3 = r1/r2;
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Line 2198 r3 = r1/r2;
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f** ( r1 r2 -- r3 ) float-ext f_star_star |
f** ( r1 r2 -- r3 ) float-ext f_star_star |
""@i{r3} is @i{r1} raised to the @i{r2}th power."" |
""@i{r3} is @i{r1} raised to the @i{r2}th power."" |
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CLOBBER_TOS_WORKAROUND_START; |
r3 = pow(r1,r2); |
r3 = pow(r1,r2); |
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CLOBBER_TOS_WORKAROUND_END; |
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fm* ( r1 n -- r2 ) gforth fm_star |
fm* ( r1 n -- r2 ) gforth fm_star |
r2 = r1*n; |
r2 = r1*n; |
Line 2146 n2 = n1*sizeof(Float);
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Line 2242 n2 = n1*sizeof(Float);
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floor ( r1 -- r2 ) float |
floor ( r1 -- r2 ) float |
""Round towards the next smaller integral value, i.e., round toward negative infinity."" |
""Round towards the next smaller integral value, i.e., round toward negative infinity."" |
/* !! unclear wording */ |
/* !! unclear wording */ |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = floor(r1); |
r2 = floor(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
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fround ( r1 -- r2 ) float f_round |
fround ( r1 -- r2 ) float f_round |
""Round to the nearest integral value."" |
""Round to the nearest integral value."" |
Line 2191 representation. If the string represents
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Line 2289 representation. If the string represents
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true. Otherwise, @i{flag} is false. A string of blanks is a special |
true. Otherwise, @i{flag} is false. A string of blanks is a special |
case and represents the floating-point number 0."" |
case and represents the floating-point number 0."" |
Float r; |
Float r; |
flag = to_float(c_addr, u, &r); |
flag = to_float(c_addr, u, &r, '.'); |
if (flag) { |
if (flag) { |
fp--; |
fp--; |
fp[0]=r; |
fp[0]=r; |
Line 2201 fabs ( r1 -- r2 ) float-ext f_abs
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Line 2299 fabs ( r1 -- r2 ) float-ext f_abs
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r2 = fabs(r1); |
r2 = fabs(r1); |
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facos ( r1 -- r2 ) float-ext f_a_cos |
facos ( r1 -- r2 ) float-ext f_a_cos |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = acos(r1); |
r2 = acos(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
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fasin ( r1 -- r2 ) float-ext f_a_sine |
fasin ( r1 -- r2 ) float-ext f_a_sine |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = asin(r1); |
r2 = asin(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
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fatan ( r1 -- r2 ) float-ext f_a_tan |
fatan ( r1 -- r2 ) float-ext f_a_tan |
r2 = atan(r1); |
r2 = atan(r1); |
Line 2212 r2 = atan(r1);
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Line 2314 r2 = atan(r1);
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fatan2 ( r1 r2 -- r3 ) float-ext f_a_tan_two |
fatan2 ( r1 r2 -- r3 ) float-ext f_a_tan_two |
""@i{r1/r2}=tan(@i{r3}). ANS Forth does not require, but probably |
""@i{r1/r2}=tan(@i{r3}). ANS Forth does not require, but probably |
intends this to be the inverse of @code{fsincos}. In gforth it is."" |
intends this to be the inverse of @code{fsincos}. In gforth it is."" |
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CLOBBER_TOS_WORKAROUND_START; |
r3 = atan2(r1,r2); |
r3 = atan2(r1,r2); |
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CLOBBER_TOS_WORKAROUND_END; |
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fcos ( r1 -- r2 ) float-ext f_cos |
fcos ( r1 -- r2 ) float-ext f_cos |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = cos(r1); |
r2 = cos(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
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fexp ( r1 -- r2 ) float-ext f_e_x_p |
fexp ( r1 -- r2 ) float-ext f_e_x_p |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = exp(r1); |
r2 = exp(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
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fexpm1 ( r1 -- r2 ) float-ext f_e_x_p_m_one |
fexpm1 ( r1 -- r2 ) float-ext f_e_x_p_m_one |
""@i{r2}=@i{e}**@i{r1}@minus{}1"" |
""@i{r2}=@i{e}**@i{r1}@minus{}1"" |
Line 2228 extern double
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Line 2336 extern double
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const |
const |
#endif |
#endif |
expm1(double); |
expm1(double); |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = expm1(r1); |
r2 = expm1(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
#else |
#else |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = exp(r1)-1.; |
r2 = exp(r1)-1.; |
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CLOBBER_TOS_WORKAROUND_END; |
#endif |
#endif |
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fln ( r1 -- r2 ) float-ext f_l_n |
fln ( r1 -- r2 ) float-ext f_l_n |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = log(r1); |
r2 = log(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
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flnp1 ( r1 -- r2 ) float-ext f_l_n_p_one |
flnp1 ( r1 -- r2 ) float-ext f_l_n_p_one |
""@i{r2}=ln(@i{r1}+1)"" |
""@i{r2}=ln(@i{r1}+1)"" |
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CLOBBER_TOS_WORKAROUND_START; |
#ifdef HAVE_LOG1P |
#ifdef HAVE_LOG1P |
extern double |
extern double |
#ifdef NeXT |
#ifdef NeXT |
Line 2248 r2 = log1p(r1);
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Line 2363 r2 = log1p(r1);
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#else |
#else |
r2 = log(r1+1.); |
r2 = log(r1+1.); |
#endif |
#endif |
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CLOBBER_TOS_WORKAROUND_END; |
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flog ( r1 -- r2 ) float-ext f_log |
flog ( r1 -- r2 ) float-ext f_log |
""The decimal logarithm."" |
""The decimal logarithm."" |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = log10(r1); |
r2 = log10(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
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falog ( r1 -- r2 ) float-ext f_a_log |
falog ( r1 -- r2 ) float-ext f_a_log |
""@i{r2}=10**@i{r1}"" |
""@i{r2}=10**@i{r1}"" |
extern double pow10(double); |
extern double pow10(double); |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = pow10(r1); |
r2 = pow10(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
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fsin ( r1 -- r2 ) float-ext f_sine |
fsin ( r1 -- r2 ) float-ext f_sine |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = sin(r1); |
r2 = sin(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
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fsincos ( r1 -- r2 r3 ) float-ext f_sine_cos |
fsincos ( r1 -- r2 r3 ) float-ext f_sine_cos |
""@i{r2}=sin(@i{r1}), @i{r3}=cos(@i{r1})"" |
""@i{r2}=sin(@i{r1}), @i{r3}=cos(@i{r1})"" |
r2 = sin(r1); |
CLOBBER_TOS_WORKAROUND_START; |
r3 = cos(r1); |
sincos(r1, &r2, &r3); |
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CLOBBER_TOS_WORKAROUND_END; |
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fsqrt ( r1 -- r2 ) float-ext f_square_root |
fsqrt ( r1 -- r2 ) float-ext f_square_root |
r2 = sqrt(r1); |
r2 = sqrt(r1); |
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ftan ( r1 -- r2 ) float-ext f_tan |
ftan ( r1 -- r2 ) float-ext f_tan |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = tan(r1); |
r2 = tan(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
: |
: |
fsincos f/ ; |
fsincos f/ ; |
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fsinh ( r1 -- r2 ) float-ext f_cinch |
fsinh ( r1 -- r2 ) float-ext f_cinch |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = sinh(r1); |
r2 = sinh(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
: |
: |
fexpm1 fdup fdup 1. d>f f+ f/ f+ f2/ ; |
fexpm1 fdup fdup 1. d>f f+ f/ f+ f2/ ; |
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fcosh ( r1 -- r2 ) float-ext f_cosh |
fcosh ( r1 -- r2 ) float-ext f_cosh |
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CLOBBER_TOS_WORKAROUND_START; |
r2 = cosh(r1); |
r2 = cosh(r1); |
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CLOBBER_TOS_WORKAROUND_END; |
: |
: |
fexp fdup 1/f f+ f2/ ; |
fexp fdup 1/f f+ f2/ ; |
|
|
ftanh ( r1 -- r2 ) float-ext f_tan_h |
ftanh ( r1 -- r2 ) float-ext f_tan_h |
|
CLOBBER_TOS_WORKAROUND_START; |
r2 = tanh(r1); |
r2 = tanh(r1); |
|
CLOBBER_TOS_WORKAROUND_END; |
: |
: |
f2* fexpm1 fdup 2. d>f f+ f/ ; |
f2* fexpm1 fdup 2. d>f f+ f/ ; |
|
|
fasinh ( r1 -- r2 ) float-ext f_a_cinch |
fasinh ( r1 -- r2 ) float-ext f_a_cinch |
|
CLOBBER_TOS_WORKAROUND_START; |
r2 = asinh(r1); |
r2 = asinh(r1); |
|
CLOBBER_TOS_WORKAROUND_END; |
: |
: |
fdup fdup f* 1. d>f f+ fsqrt f/ fatanh ; |
fdup fdup f* 1. d>f f+ fsqrt f/ fatanh ; |
|
|
facosh ( r1 -- r2 ) float-ext f_a_cosh |
facosh ( r1 -- r2 ) float-ext f_a_cosh |
|
CLOBBER_TOS_WORKAROUND_START; |
r2 = acosh(r1); |
r2 = acosh(r1); |
|
CLOBBER_TOS_WORKAROUND_END; |
: |
: |
fdup fdup f* 1. d>f f- fsqrt f+ fln ; |
fdup fdup f* 1. d>f f- fsqrt f+ fln ; |
|
|
fatanh ( r1 -- r2 ) float-ext f_a_tan_h |
fatanh ( r1 -- r2 ) float-ext f_a_tan_h |
|
CLOBBER_TOS_WORKAROUND_START; |
r2 = atanh(r1); |
r2 = atanh(r1); |
|
CLOBBER_TOS_WORKAROUND_END; |
: |
: |
fdup f0< >r fabs 1. d>f fover f- f/ f2* flnp1 f2/ |
fdup f0< >r fabs 1. d>f fover f- f/ f2* flnp1 f2/ |
r> IF fnegate THEN ; |
r> IF fnegate THEN ; |
Line 2347 faxpy(ra, f_x, nstridex, f_y, nstridey,
|
Line 2484 faxpy(ra, f_x, nstridex, f_y, nstridey,
|
fdup dup f@ f* over + 2swap dup f@ f+ dup f! over + 2swap |
fdup dup f@ f* over + 2swap dup f@ f+ dup f! over + 2swap |
LOOP 2drop 2drop fdrop ; |
LOOP 2drop 2drop fdrop ; |
|
|
|
>float1 ( c_addr u c -- f:... flag ) gforth to_float1 |
|
""Actual stack effect: ( c_addr u c -- r t | f ). Attempt to convert the |
|
character string @i{c-addr u} to internal floating-point |
|
representation. If the string represents a valid floating-point number |
|
@i{r} is placed on the floating-point stack and @i{flag} is |
|
true. Otherwise, @i{flag} is false. A string of blanks is a special |
|
case and represents the floating-point number 0."" |
|
Float r; |
|
flag = to_float(c_addr, u, &r, c); |
|
if (flag) { |
|
fp--; |
|
fp[0]=r; |
|
} |
|
|
|
float/ ( n1 -- n2 ) gforth float_divide |
|
n2 = n1 / sizeof(Float); |
|
|
|
dfloat/ ( n1 -- n2 ) gforth sfloat_divide |
|
n2 = n1 / sizeof(DFloat); |
|
|
|
sfloat/ ( n1 -- n2 ) gforth dfloat_divide |
|
n2 = n1 / sizeof(SFloat); |
|
|
\+ |
\+ |
|
|
\ The following words access machine/OS/installation-dependent |
\ The following words access machine/OS/installation-dependent |
Line 2437 open-lib ( c_addr1 u1 -- u2 ) gforth ope
|
Line 2597 open-lib ( c_addr1 u1 -- u2 ) gforth ope
|
u2 = gforth_dlopen(c_addr1, u1); |
u2 = gforth_dlopen(c_addr1, u1); |
|
|
lib-sym ( c_addr1 u1 u2 -- u3 ) gforth lib_sym |
lib-sym ( c_addr1 u1 u2 -- u3 ) gforth lib_sym |
|
char * string = cstr(c_addr1, u1); |
#ifdef HAVE_LIBLTDL |
#ifdef HAVE_LIBLTDL |
u3 = (UCell) lt_dlsym((lt_dlhandle)u2, cstr(c_addr1, u1, 1)); |
u3 = (UCell) lt_dlsym((lt_dlhandle)u2, string); |
#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
#elif defined(HAVE_LIBDL) || defined(HAVE_DLOPEN) |
u3 = (UCell) dlsym((void*)u2,cstr(c_addr1, u1, 1)); |
u3 = (UCell) dlsym((void*)u2,string); |
#else |
#else |
# ifdef _WIN32 |
# ifdef _WIN32 |
u3 = (Cell) GetProcAddress((HMODULE)u2, cstr(c_addr1, u1, 1)); |
u3 = (Cell) GetProcAddress((HMODULE)u2, string); |
# else |
# else |
#warning Define lib-sym! |
#warning Define lib-sym! |
u3 = 0; |
u3 = 0; |
# endif |
# endif |
#endif |
#endif |
|
free(string); |
|
|
wcall ( ... u -- ... ) gforth |
wcall ( ... u -- ... ) gforth |
gforth_FP=fp; |
gforth_FP=fp; |
Line 2522 u = (c_addr[0] << 8) | (c_addr[1]);
|
Line 2684 u = (c_addr[0] << 8) | (c_addr[1]);
|
|
|
be-ul@ ( c_addr -- u ) gforth l_fetch_be |
be-ul@ ( c_addr -- u ) gforth l_fetch_be |
""@i{u} is the zero-extended 32-bit big endian value stored at @i{c_addr}."" |
""@i{u} is the zero-extended 32-bit big endian value stored at @i{c_addr}."" |
u = (c_addr[0] << 24) | (c_addr[1] << 16) | (c_addr[2] << 8) | (c_addr[3]); |
u = ((Cell)c_addr[0] << 24) | (c_addr[1] << 16) | (c_addr[2] << 8) | (c_addr[3]); |
|
|
le-uw@ ( c_addr -- u ) gforth w_fetch_le |
le-uw@ ( c_addr -- u ) gforth w_fetch_le |
""@i{u} is the zero-extended 16-bit little endian value stored at @i{c_addr}."" |
""@i{u} is the zero-extended 16-bit little endian value stored at @i{c_addr}."" |
Line 2530 u = (c_addr[1] << 8) | (c_addr[0]);
|
Line 2692 u = (c_addr[1] << 8) | (c_addr[0]);
|
|
|
le-ul@ ( c_addr -- u ) gforth l_fetch_le |
le-ul@ ( c_addr -- u ) gforth l_fetch_le |
""@i{u} is the zero-extended 32-bit little endian value stored at @i{c_addr}."" |
""@i{u} is the zero-extended 32-bit little endian value stored at @i{c_addr}."" |
u = (c_addr[3] << 24) | (c_addr[2] << 16) | (c_addr[1] << 8) | (c_addr[0]); |
u = ((Cell)c_addr[3] << 24) | (c_addr[2] << 16) | (c_addr[1] << 8) | (c_addr[0]); |
|
|
\+64bit |
\+64bit |
|
|
Line 2667 ip=IP;
|
Line 2829 ip=IP;
|
SUPER_END; |
SUPER_END; |
VM_JUMP(EXEC1((Xt)a_addr)); |
VM_JUMP(EXEC1((Xt)a_addr)); |
|
|
|
\+objects |
|
\g object_pointer |
|
|
|
>o ( c_addr -- r:c_old ) new to_o |
|
c_old = op; |
|
op = c_addr; |
|
|
|
o> ( r:c_addr -- ) new o_restore |
|
op = c_addr; |
|
|
|
o#+ ( #w -- c_addr ) new o_lit_plus |
|
c_addr = op + w; |
|
|
|
\+ |
\g static_super |
\g static_super |
|
|
ifdef(`STACK_CACHE_FILE', |
ifdef(`STACK_CACHE_FILE', |